Hirschen, Christian and Gruhn, Patrick and Gülhan, Ali (2006) Influence of Heat Capacity Ratio on the Interaction between the External Flow and Nozzle Flow of a Scramjet. In: 14th AIAA/AHI International Space Planes and Hypersonic Systems and Technologies Conference (AIAA-2006-8095). 14th AIAA/AHI International Space Planes and Hypersonic Systems and Technologies Conference, 2006-11-06 - 2006-11-09, Canberra (Australien).
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As part of a graduate college financed by the German National Research Council (DFG), an experimental study on nozzle flows was carried out at the German aerospace center (DLR). The tests were performed at a free-stream Mach number Ma∞ = 7 in the H2K wind tunnel of the wind tunnel department in Cologne. The Reynolds number was varied in order to simulate the influence of different flight altitudes of a scramjet vehicle. The effects of different heat capacity ratios have been investigated by using gases with higher and lower heat capacity ratios than air. The obtained experimental results are discussed and compared with CFD calculations. Furthermore, an analysis on the effect of a Reynolds number and Mach number variation was carried out with a complete scramjet model. In both cases pressure measurements and Schlieren photographs were used in order investigate the flow properties.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Influence of Heat Capacity Ratio on the Interaction between the External Flow and Nozzle Flow of a Scramjet|
|Journal or Publication Title:||14th AIAA/AHI International Space Planes and Hypersonic Systems and Technologies Conference|
|In ISI Web of Science:||No|
|Event Title:||14th AIAA/AHI International Space Planes and Hypersonic Systems and Technologies Conference|
|Event Location:||Canberra (Australien)|
|Event Type:||international Conference|
|Event Dates:||2006-11-06 - 2006-11-09|
|Organizer:||American Institute of Aeronautics and Astronautics|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W RP - Raumtransport|
|DLR - Research area:||Space|
|DLR - Program:||W RP - Raumtransport|
|DLR - Research theme (Project):||W - Antriebsystemtechnik - Antriebskonzepte (old)|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology|
|Deposited By:||Christine Adams|
|Deposited On:||28 Mar 2007|
|Last Modified:||15 Jan 2010 00:27|
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